NEET Botany Plant Growth and Development Questions Solved

NEET - 2016

you are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?
(a) IAA and gibberellin 
(b) Auxin and cytokinin
(c) Auxin and abscisic acid
(d) Glbberellin & abscisic acid

Audio Explanation:


(b) When a tissue with a potential of differentiation is grown in an artificial medium containing auxin and cytokinin in a specific ratio, it starts differentiating. Thus, root and shoot differentiation occurs. Auxin initiate root formation while cytokinin starts formation

Difficulty Level:

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